QTreeView::item:selected
{
color: black;
background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop: 0 white, stop: 0.2 white, stop: 1 lightsteelblue);
border: 1px solid steelblue;
border-left: 0;
border-right: 0;
}


QTreeView::item:selected:first
{
border: 1px solid steelblue;
border-right: 0;
border-top-left-radius: 0.2em;
border-bottom-left-radius: 0.2em;
}



QTreeView::item:selected:last
{
border: 1px solid steelblue;
border-left: 0;
border-top-right-radius: 0.2em;
border-bottom-right-radius: 0.2em;
}


QTreeView
{
outline: none;
show-decoration-selected: 0;
}

